SM3015
S
AM
HOP Microelectronics Corp.
REMOTE FAN MCU
K. BUZZER
Any key pressed on panel or fan controller receives a control signal from remote control
handset, will generate a 4KHz 50% duty cycle pulse train on buzzer output pin.
a. When FAN is from stop mode to start mode (press SPEED or ON_OFF key)
Buzzer output will generate a "BI-BI" sound.
a
b
c
b. When FAN is from start mode to stop mode (press OFF/ON_OFF key)
Buzzer output will generate a long "BI" sound.
d
c. When FAN is operating (press any key other than OFF/ON_OFF key)
Buzzer output will generate a "BI" sound.
e
When a = c = e = 62ms
b = 124ms
d = 250ms
* MASK OPTION
Fan controller will generate a 150ms duration 2KHz 50% duty cycle pulse train on BUZ output
pin.
Page 12
V.2.0 Mar 8, 2002
SAMHOP [ SAMHOP MICROELECTRONICS CORP. ]
